CN104851370B - A kind of variable LED display - Google Patents

Abstract

A variable LED display screen related to the present invention includes several LED modules, and several installation components arranged between adjacent LED modules to connect the LED modules into a display screen. The assembly is an adjustable installation assembly, and the adjustable installation assembly can fine-tune the relative gap between the adjacent LED modules connected to it, wherein the adjustable installation assembly includes an X-axis adjustable installation, a Y-axis adjustable installation and intermediate adjustable mounts. A variable LED display screen of the present invention can not only realize the adjustment of the size of the LED display screen, but also can realize the adjustment of the shape of the LED display screen. In addition, various accessories can be connected to the display screen to expand the function of the display screen. .

Description

A variable LED display

technical field

The invention relates to the field of LED display screens, in particular to an LED display screen with variable size and shape.

Background technique

The traditional TV display is a whole screen, so its size cannot be changed, and it is inconvenient for users to change the size of the screen and the curvature of the TV according to the actual situation of the place of use, so as to achieve a comfortable viewing effect. In addition, TV display screens are generally large in size and are fragile items, so there is also the problem of inconvenient transportation.

In view of the above problems, Chinese patent document CN203801017U discloses an LED TV, comprising: an LED display screen, including a plurality of LED display units, two adjacent LED display units among the plurality of LED display units are detachably connected, and the LED display screen There are two side edges disposed opposite in a first direction, and a top edge and a bottom edge both located between the two side edges.

The LED TV of the above-mentioned patent document has the following disadvantages in actual use: 1. In this patent document, the support structure supporting the display screen cannot adapt to the change of the display screen size. For the display screen, the vertical and horizontal bar mounting parts on the supporting structure should be re-ordered accordingly, and the base should also be re-ordered, thus increasing the production cost; 2. The surface of the display screen can only present a single plane form , it cannot be changed after purchase, it cannot be changed according to the actual situation of the place of use, and the best viewing effect cannot be achieved; 3. It is inconvenient to perform function expansion on the TV; 4. The connection between the LED display units is fixed It is not adjustable, and there will be errors in the manufacture and installation of the LED display unit. With the existing equipment and assembly level, it is temporarily impossible to reduce the manufacturing and installation errors to a level that does not affect the high-density LED module at all. The splicing gap will cause the gap between the LED display units to be too large or too small, which will affect the viewing effect.

Contents of the invention

For this reason, the technical problem to be solved by the present invention is to solve the problem that the connecting piece connected to the LED module in the display screen of the LED TV in the prior art is not adjustable. Therefore, when the LED modules are spliced into a screen, the adjacent LED modules The gap between the groups is not adjustable, which leads to the problem that the gap between the LED display units is too large or too small to affect the viewing effect, so a method with adjustable connectors is proposed, through which the adjacent LED modules can be adjusted The gap between the LED display screen to make up for the manufacturing error of the LED module and the installation error.

Further, a shape-changeable LED display screen is provided.

In order to solve the problems of the technologies described above, the technical solution of the present invention is as follows:

A variable LED display screen, including several LED modules, and several installation components arranged between adjacent LED modules to connect the LED modules into a display screen, the installation components are adjustable An installation component, the adjustable installation component can fine-tune the relative gap between the adjacent LED modules connected thereto.

In the variable LED display screen of the present invention, the adjustable mounting assembly includes an X-axis adjustable mounting member that adjusts the relative gap between adjacent LED modules along the X-axis direction, and adjusts the adjacent LED modules. The Y-axis adjustable mounting part for the relative gap along the Y-axis direction between the LED modules.

In the variable LED display screen of the present invention, the X-axis adjustable mounting part is arranged between the LED modules forming the edge of the display screen, and the edge is an edge parallel to the X-axis direction; The Y-axis adjustable mounting part is arranged between the LED modules forming the edge of the display screen, and the edge is an edge parallel to the Y-axis direction; it also includes a middle adjustable mounting part, and the middle adjustable mounting part The components are arranged between the four LED modules distributed in the shape of "Tian", and are connected to the top corners of the four LED modules, and the four LED modules are adjusted to be adjacent to each other. The X-direction gap and the Y-direction gap of the LED module.

In the variable LED display screen of the present invention, the X-axis adjustable mounting part and the Y-axis adjustable mounting part are provided with connecting structures suitable for connecting accessories.

In the variable LED display screen of the present invention, the connection structure is a threaded hole.

In the variable LED display screen of the present invention, the accessory is a supporting foot supporting the entire LED display screen, or a suspender rod for hoisting the entire LED display screen, or a sound system installed on the entire LED display screen, or a The hanging cabinet at the lower end of the entire LED display screen.

In the variable LED display screen of the present invention, the X-axis adjustable mounting part and the Y-axis adjustable mounting part have the same structure, and both include a first fixing frame, and the The first gap adjustment structure, two first movable blocks movably connected to the first fixed frame, each of the first movable blocks is correspondingly connected with the top corner of the LED module on the same side, so Both ends of the first gap adjustment mechanism are respectively connected to the first movable block, and the LED modules mounted on the first movable block are adjusted by adjusting the first movable blocks on both sides to move away from or approach each other. There is a gap between the groups, and the connection structure is arranged on the outer side wall of the first fixing frame.

In the variable LED display screen of the present invention, the first fixed frame 16 is formed into a T shape, including a horizontal frame and a vertical frame, and the first gap adjustment mechanism 17 is horizontally arranged on the first fixed frame 16. On the longitudinal frame, the two first movable blocks 18 are located on both sides of the longitudinal frame and connected to both ends of the first gap adjusting mechanism 17 .

In the variable LED display screen of the present invention, the middle adjustable mounting part includes

The second fixed frame is composed of a horizontal frame and a vertical frame, defining the extension direction of the horizontal frame as the X-axis direction, and the extension direction of the vertical frame as the Y-axis direction;

There are four second movable blocks, which are arranged on both sides of the horizontal frame and the vertical frame, and are distributed in the shape of "Tian". The second movable blocks arranged on both sides of the horizontal frame can move along the moving in the X-axis direction, the second movable blocks arranged on both sides of the vertical frame can move in the Y-axis direction, and one LED module is installed on each of the second movable blocks;

There are at least three second gap adjustment mechanisms, which are installed on the horizontal frame and the vertical frame respectively, and the two ends of each second gap adjustment mechanism are respectively connected to the two second movable blocks , adjusting the gap between the two LED modules installed on the two second movable blocks by adjusting the second movable blocks on both sides to move away from or close to each other, wherein the second LED modules installed on the horizontal frame The gap adjustment mechanism is a Y-axis gap adjustment mechanism, the second gap adjustment mechanism installed on the vertical frame is an X-axis gap adjustment mechanism, and the Y-axis gap adjustment mechanism can move along the X-axis direction as a whole and is set on the On the horizontal frame, the X-axis clearance adjustment mechanism is arranged on the vertical frame so that it can move along the Y-axis direction as a whole.

In the variable LED display screen of the present invention, the horizontal frame is formed with an X-direction strip-shaped through hole whose length direction extends along the X-axis direction, and the vertical frame is formed with a length direction extending along the Y-axis direction. The Y-direction strip-shaped through hole, the X-axis gap adjustment mechanism is movably located in the Y-direction strip-shaped through-hole, and the two ends of the X-axis gap adjustment mechanism protrude outside the Y-direction strip-shaped through hole Connected with the left and right second movable blocks, the two second movable blocks can be driven to move away from or approach each other along the X-axis direction, and the Y-axis gap adjustment mechanism is movably located in the strip-shaped through hole in the X-axis direction. And the two ends of the Y-axis gap adjustment mechanism protrude out of the strip-shaped through hole in the X direction and are connected with the upper and lower second movable blocks, which can drive the two second movable blocks to move away from each other or mutually along the Y-axis direction. move closer.

In the variable LED display screen of the present invention, the second gap adjustment mechanism is an adjustment screw with threads formed at both ends, the X-axis gap adjustment mechanism is an X-axis adjustment screw, and the Y-axis gap adjustment mechanism is The Y-axis adjustment screw, the second movable block is formed with an X-axis threaded hole suitable for threaded connection with the X-axis adjustment screw on the side facing the X-axis adjustment screw, and is formed on the side facing the Y-axis adjustment screw There is a Y-axis threaded hole suitable for threaded connection with the Y-axis adjusting screw.

In the variable LED display screen of the present invention, the X-axis adjustment screw includes an X-axis adjustment part and two X-axis threaded parts fixedly connected to both sides of the X-axis adjustment part, and the two X-axis threads The thread direction of the X-axis threaded part is opposite, and the two X-axis threaded parts are threadedly connected with the X-axis threaded holes on both sides of the X-axis adjusting screw, and the thread direction of the X-axis threaded hole is the same as that of the corresponding The X-axis threaded part cooperates; the Y-axis adjusting screw includes a Y-axis adjusting part and two Y-axis threaded parts fixedly connected on both sides of the Y-axis adjusting part, and the thread direction of the two Y-axis threaded parts On the contrary, the two Y-axis threaded parts are threadedly connected with the Y-axis threaded holes on both sides of the Y-axis adjusting screw, and the thread direction of the Y-axis threaded hole is the same as that of the corresponding Y-axis threaded part. Cooperate.

In the variable LED display screen of the present invention, the LED module is a bendable LED module.

In the variable LED display screen of the present invention, the flexible LED module includes an elastic component layer on which several light-emitting components are installed; and an adjustment part acting on the back of the elastic component layer, the adjustment part is tightened The two sides of the carbon fiber layer are braced tightly, so that the elastic part layer is bent in an inner arc or an outer arc.

The above technical solution of the present invention has the following advantages compared with the prior art:

1. In the present invention, by setting the mounting assembly as an adjustable mounting assembly that can adjust the relative gap between adjacent LED modules, not only the size of the display screen can be adjusted by increasing or reducing the number of LED modules, It is convenient to manufacture LED displays of different sizes and specifications, and it can also be adjusted while assembling during the assembly process of LED modules into displays, so that it can make up for the gap between LED modules caused by manufacturing errors and installation errors. If the gap is too large or too small, it will affect the viewing effect of the LED display. The variable LED display screen of the present invention can be applied to electronic devices with display screens such as televisions and computers.

2. In the present invention, the setting of the connecting structure on the X-axis adjustable mounting part and the Y-axis adjustable mounting part is convenient for connecting various accessories on the LED display screen, which not only can expand the function of the LED display screen, but also can be changed arbitrarily. Especially when the supporting feet are directly connected to the X-axis adjustable mounting parts or the Y-axis adjustable mounting parts through the connecting structure, so that when manufacturing LED displays of different sizes, one type of supporting feet can be used in common, thereby reducing production costs .

3. In the present invention, the variable LED display screen of the present invention can also realize the change of shape by adopting high-definition variable LED modules, which can be carried out between plane, arc surface and S-shaped surface according to the actual environment. Adjust the transformation.

4. In the present invention, the cooperation of the X-axis adjustable mounting part, the Y-axis adjustable mounting part, and the middle adjustable mounting part of the special structure can realize the seamless splicing between the LEDs, making the front of the display screen look seamless. Black line and bright line, and do not need manual padding material to adjust, the adjustment effect is good, the adjustment method is simple, and the adjustment time is saved.

Description of drawings

In order to make the content of the present invention more easily understood, the present invention will be described in further detail below according to specific embodiments of the present invention in conjunction with the accompanying drawings, wherein

Fig. 1 is a front view of a variable LED display screen supported by supporting feet of the present invention;

Fig. 2 is a schematic diagram of a variable LED display screen of the present invention installed on the wall through a suspension rod;

Fig. 3 is a schematic diagram of a variable LED display screen connected with audio, hanging cabinets and supporting feet of the present invention;

Fig. 4 is a schematic diagram of a variable LED display screen bent into an arc-shaped surface according to the present invention;

Fig. 5 is a schematic diagram of a variable LED display screen of the present invention bent into an S-shaped surface;

Fig. 6 is a perspective view of the middle adjustable mounting part;

Figure 7 is an exploded view of Figure 6;

Fig. 8 is a perspective view of an X-axis adjustable mounting part or a Y-axis adjustable mounting part;

Fig. 9 is a front view of the bendable LED module;

Fig. 10 is a side view of the bendable LED module;

The reference numerals in the figure are represented as: 100-LED module, 101-X-axis adjustable mounting part, 102-Y-axis adjustable mounting part, 103-middle adjustable mounting part, 11-connection structure, 12-supporting foot, 13-Boom, 14-Audio, 15-Cabinet, 16-First fixed frame, 17-First gap adjustment mechanism, 18-First movable block, 19-Elastic part layer, 20-Adjustment part, 2-No. Two fixed frames, 21-horizontal frame, 22-vertical frame, 211-X direction bar-shaped through hole, 221-Y direction bar-shaped through hole, 35-X axis threaded hole, 36-Y axis threaded hole, 4-X Axis adjustment screw rod, 41-X-axis adjustment part, 42-X-axis threaded part, 5-Y-axis adjustment screw rod, 51-Y-axis adjustment part, 52-Y-axis threaded part.

Detailed ways

The following embodiments will be used to further illustrate the present invention in conjunction with the accompanying drawings.

As shown in Figure 1, a variable LED display screen in this embodiment includes several LED modules 100, and is arranged between adjacent LED modules 100, and the LED modules 100 are connected to display Several installation components of the screen, the installation components are adjustable installation components, and the adjustable installation components can fine-tune the relative gap between the adjacent LED modules 100 connected thereto.

The above solution is the core solution of the present invention. By setting the installation component as an adjustable installation edge component that can adjust the relative gap between adjacent LED modules 100, it is not only possible to realize the display screen by increasing or reducing the number of LED modules. Size adjustment facilitates the manufacture of LED displays with different sizes and specifications, and can also perform side assembly adjustments during the assembly process of the LED module 100 into a display screen, thereby making up for the LED module 100 caused by manufacturing errors and installation errors. If the gap between LED modules is too large or too small, it will affect the viewing effect of the LED display. The variable LED display screen of the present invention can be applied to electronic devices with display screens such as televisions and computers.

Specifically, the adjustable mounting assembly includes an X-axis adjustable mounting member 101 that adjusts the relative gap between adjacent LED modules 100 along the X-axis direction, and adjusts the gap between adjacent LED modules 100 . Y-axis adjustable mounting part 102 with relative clearance along the Y-axis direction. The X-axis adjustable mounting part 101 is arranged between the LED modules 100 forming the edge of the display screen, and the edge is an edge parallel to the X-axis direction; the Y-axis adjustable mounting part 102 is arranged on Between the LED modules 100 that form the edge of the display screen, and this edge is an edge parallel to the Y-axis direction; the adjustable mounting assembly also includes a middle adjustable mounting part 103, and the middle adjustable mounting part 103 is arranged between the four LED modules 100 distributed in the shape of a "field" and is connected to the top corners of the four LED modules 100 to adjust the two angles between the four LED modules 100. The X-direction gap and the Y-direction gap between two adjacent LED modules 100 .

As shown in FIG. 8 , both the X-axis adjustable mounting part 101 and the Y-axis adjustable mounting part 102 are provided with connecting structures 11 suitable for connecting accessories. The connection structure 11 may be a threaded hole, a screw or other structures, preferably the connection structure 11 is a threaded hole. As shown in Figures 1-3, the accessory can be a support foot 12 supporting the entire LED display, or a suspender 13 for hoisting the entire LED display, or a sound 14 installed on the entire LED display, or hanging on a The wall cabinet 15 at the lower end of the whole LED display screen. The setting of the connection structure 11 is convenient for connecting various accessories on the LED display screen, so that not only the function of the LED display screen can be expanded, but also can be changed arbitrarily, especially the supporting legs are directly connected to the X-axis adjustable mounting part or the Y-axis adjustable mounting part through the connection structure. When the mounting parts are connected, one type of supporting feet can be used in common when manufacturing LED displays of different sizes, thereby reducing production costs. In addition, each accessory is directly connected with the X-axis adjustable mounting part or the Y-axis adjustable mounting part. Therefore, the installation of each accessory is independent, and the audio and TV box equipment cannot be installed because the supporting structure is broken. .

As shown in FIG. 8 , in this embodiment, preferably, the X-axis adjustable mounting part 101 and the Y-axis adjustable mounting part 102 have the same structure, and both include a first fixing frame 16 installed on the first The first gap adjustment mechanism 17 on the fixed frame 16, two first movable blocks 18 that are movably connected on the first fixed frame 17, each of the first movable blocks 18 corresponds to the same side The top corners of the LED module 100 are connected, and the two ends of the first gap adjustment mechanism 17 are respectively connected to the first movable block 18, and the installation is adjusted by adjusting the first movable blocks 18 on both sides to move away from or approach each other. In the gap between the LED modules 100 on the first movable block 3 , the connecting structure 11 is arranged on the outer side wall of the first fixing frame 16 . The first fixed frame 16 can be formed into a T shape, including a horizontal frame and a longitudinal frame, and the first gap adjustment mechanism 17 is horizontally arranged on the longitudinal frame of the first fixed frame 16, and the two first movable blocks 18 are divided into Both sides of the longitudinal frame are connected with both ends of the first gap adjusting mechanism 17 . The structure of the first gap adjusting mechanism 17 is the same as that of the X-axis gap adjusting mechanism or the Y-axis gap adjusting mechanism of the middle adjustable mounting part 103 described below.

As shown in Figures 6 and 7, in this embodiment, the intermediate adjustable mounting part 103 preferably includes

The second fixed frame 2 is composed of a horizontal frame 21 and a vertical frame 22, defining the extension direction of the horizontal frame 21 as the X-axis direction, and the extension direction of the vertical frame 22 as the Y-axis direction;

The second movable block 3 is provided with four pieces, arranged on both sides of the horizontal frame 21 and the vertical frame 22, and distributed in the shape of "Tian", the second movable block arranged on both sides of the horizontal frame 21 The movable block 3 can move along the X-axis direction, the second movable block 3 arranged on both sides of the vertical frame 22 can move along the Y-axis direction, and one LED is installed on each of the second movable blocks 3 module 100;

There are at least three second gap adjustment mechanisms, which are installed on the horizontal frame 21 and the vertical frame 22 respectively, and the two ends of each second gap adjustment mechanism are respectively connected with the two second movable parts. Blocks 3 are connected, and the gap between the two LED modules 100 installed on the two second movable blocks 3 is adjusted by adjusting the second movable blocks 3 on both sides to move away from or approach each other, wherein, the LED modules 100 installed on the The second gap adjustment mechanism on the horizontal frame 21 is a Y-axis gap adjustment mechanism, and the second gap adjustment mechanism installed on the vertical frame 22 is an X-axis gap adjustment mechanism, and the Y-axis gap adjustment mechanism can be integrated along the The X-axis gap adjustment mechanism is arranged on the horizontal frame 21 so as to move along the X-axis direction, and the X-axis clearance adjustment mechanism is arranged on the vertical frame 22 so as to be able to move along the Y-axis direction as a whole.

Preferably, the horizontal frame 21 is formed with an X-direction strip-shaped through-hole 211 whose length direction extends along the X-axis direction, and the vertical frame 22 is formed with a Y-direction strip-shaped through-hole 221 whose length direction extends along the Y-axis direction. The X-axis gap adjustment mechanism is movably located in the Y-direction strip-shaped through hole 221, and the two ends of the X-axis gap adjustment mechanism protrude from the Y-direction strip-shaped through-hole 221 and the left and right sides. The second movable block 3 is connected and can drive the two second movable blocks 3 to move away from or approach each other along the X-axis direction. The Y-axis gap adjustment mechanism is movably located in the strip-shaped through hole 211 in the X-axis direction, and the The two ends of the Y-axis gap adjustment mechanism protrude from the strip-shaped through hole 211 in the X direction to connect with the upper and lower second movable blocks 3, and can drive the two second movable blocks 3 to move away from each other along the Y-axis direction or close to each other.

Further, the second gap adjustment mechanism is an adjustment screw with threads formed at both ends, the X-axis gap adjustment mechanism is an X-axis adjustment screw 4, and the Y-axis gap adjustment mechanism is a Y-axis adjustment screw 5. The second movable block 3 is formed with an X-axis threaded hole 35 suitable for threaded connection with the X-axis adjusting screw 4 on the side facing the X-axis adjusting screw 4, and is formed on the side facing the Y-axis adjusting screw 5. The Y-axis threaded hole 36 is threadedly connected with the Y-axis adjusting screw 5 . The gap adjusting mechanism with this structure is not only simple in structure, easy to manufacture, but also convenient to adjust.

The X-axis adjusting screw 4 includes an X-axis adjusting portion 41 and two X-axis threaded portions 42 fixedly connected to both sides of the X-axis adjusting portion 41, the thread directions of the two X-axis threaded portions 42 are opposite, The two X-axis threaded parts 42 are threadedly connected with the X-axis threaded holes 35 on both sides of the X-axis adjusting screw 4 respectively, and the thread direction of the X-axis threaded holes 35 is in line with the corresponding X-axis thread. part 42; the Y-axis adjustment screw 5 includes a Y-axis adjustment part 51 and two Y-axis threaded parts 52 fixedly connected to both sides of the Y-axis adjustment part 51, and two Y-axis threaded parts 52 The thread directions are opposite, and the two Y-axis threaded parts 52 are threadedly connected with the Y-axis threaded holes 36 on both sides of the Y-axis adjusting screw 5, and the thread directions of the Y-axis threaded holes 36 are the same as those of the corresponding Y-axis threaded holes. The Y-axis threaded portion 52 matches.

The middle adjustable mounting part 103 with the above structure can realize seamless splicing, so that the front of the screen looks free of black lines and bright lines, and does not need manual padding materials for adjustment, the adjustment effect is good, the adjustment method is simple, and the adjustment time is saved . Since the Y-axis gap adjustment mechanism is arranged on the horizontal frame 21 so that it can move along the X-axis direction as a whole, when adjusting the gap between the two movable blocks 3 along the X-axis direction, the Y-axis gap adjustment mechanism can follow the movement. The movement of the block 3 in the X-axis direction relative to the horizontal frame 21 will not interfere with the X-axis gap adjustment mechanism when adjusting the gap between the two movable blocks in the X-axis direction. In the same way, since the X-axis gap adjustment mechanism is arranged on the vertical frame so that it can move along the Y-axis direction as a whole, it will not cause interference when the Y-axis gap adjustment mechanism adjusts the gap in the Y-axis direction of the two movable blocks. . Since there is a gap between the X-axis threaded hole and the X-axis threaded part, and between the Y-axis threaded hole and the Y-axis threaded part, there is a gap between the standard external thread and the internal thread. Therefore, in When one of the X-axis adjustment screws on the middle adjustable mounting part 103 is adjusted, the other X-axis adjustment screw will not interfere with the fine-tuning of the X-axis adjustment screw. Similarly, the Y-axis adjustment is the same.

Further, by setting the LED module 100 as a bendable LED module. The variable LED display screen of the present invention can not only realize the change of size by changing the number of LED modules, but also realize the change of shape. The LED display screen of the present invention can be flat or arc-shaped surface and S-shaped surface, as shown in Figures 4 and 5. There are many structures to realize the flexible LED module, as shown in Figures 9 and 10, in this embodiment, the flexible LED module preferably includes elastic component layers 19 for installing several light-emitting components; and acts on The adjusting part 20 on the back of the elastic component layer, the adjusting part 20 tightens or braces both sides of the elastic component layer 19 to make the elastic component layer 19 bend inward or outward.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the scope of protection of the present invention.

Claims (12)

1. A variable LED display screen, comprising several LED modules (100), and arranged between adjacent LED modules (100), connecting the LED modules (100) into a display screen A plurality of installation components, characterized in that the installation components are adjustable installation components, and the adjustable installation components can fine-tune the relative gap between the adjacent LED modules (100) connected thereto; Wherein, the adjustable mounting assembly includes an X-axis adjustable mounting part (101) that adjusts the relative gap between adjacent LED modules (100) along the X-axis direction, and adjusts the adjacent LED modules ( 100) between the Y-axis adjustable mounting parts (102) along the relative gap in the Y-axis direction; The X-axis adjustable installation part (101) is arranged between the LED modules (100) forming the edge of the display screen, and the edge is an edge parallel to the X-axis direction; the Y-axis adjustable installation The part (102) is arranged between the LED modules (100) forming the edge of the display screen, and the edge is an edge parallel to the Y-axis direction; it also includes a middle adjustable mounting part (103), and the middle The adjustable mounting part (103) is arranged between the four LED modules (100) distributed in the shape of "Tian", and is connected with the top corners of the four LED modules (100), and the four LED modules (100) can be adjusted. The X-direction gap and the Y-direction gap between two adjacent LED modules (100) between two LED modules (100). 2. The variable LED display screen according to claim 1, characterized in that, the X-axis adjustable mounting part (101) and the Y-axis adjustable mounting part (102) are provided with suitable connection Attachment connection structure (11). 3. The variable LED display screen according to claim 2, characterized in that, the connection structure (11) is a threaded hole. 4. The variable LED display screen according to claim 2, characterized in that, the accessory is a support foot (12) supporting the entire LED display screen, or a boom (13) for hoisting the entire LED display screen, or The sound system (14) that is installed on the whole LED display screen, or the wall cabinet (15) that hangs on the lower end of the whole LED display screen. 5. The variable LED display screen according to any one of claims 2-4, characterized in that, the X-axis adjustable mounting part (101), the Y-axis adjustable mounting part (102) The structure is the same, all comprising the first fixed mount (16), the first gap adjustment mechanism (17) installed on the first fixed mount (16), two movably connected on the first fixed mount (17) ) on the first movable block (18), each of the first movable block (18) is correspondingly connected with the top corner of the LED module (100) on the same side, and the first gap adjustment mechanism (17) The two ends are connected with the first movable block (18) respectively, by adjusting the first movable block (18) on both sides to move away from or approach each other to adjust all the movable blocks installed on the first movable block (18) The gap between the LED modules (100), the connection structure (11) is arranged on the outer side wall of the first fixing frame (16). 6. The variable LED display screen according to claim 5, characterized in that, the first fixed frame (16) is formed into a T shape, including a horizontal frame and a vertical frame, and the first gap adjustment mechanism (17 ) is horizontally arranged on the longitudinal frame of the first fixed frame (16), and the two first movable blocks (18) are distributed on both sides of the longitudinal frame, and are connected with the first gap adjustment mechanism The two ends of (17) are connected. 7. The variable LED display screen according to any one of claims 1-4, characterized in that, the middle adjustable mounting part (103) comprises a second fixed frame (2), and the horizontal frame (21 ) and a vertical frame (22), the extension direction of the horizontal frame (21) is defined as the X-axis direction, and the extension direction of the vertical frame (22) is the Y-axis direction; the second movable block (3), There are four pieces, arranged on both sides of the horizontal frame (21) and the vertical frame (22), distributed in the shape of "Tian", and the second ones arranged on both sides of the horizontal frame (21) The movable block (3) can move along the X-axis direction, and the second movable block (3) arranged on both sides of the vertical frame (22) can move along the Y-axis direction, and each of the second movable blocks ( 3) one LED module (100) is installed on the top; at least three second gap adjustment mechanisms are provided, which are respectively installed on the horizontal frame (21) and the vertical frame (22), each of which The two ends of the second gap adjusting mechanism are respectively connected to the two second movable blocks (3), and the two second movable blocks (3) on both sides are adjusted to move away from or close to each other to adjust the distance between the two second movable blocks (3). The gap between the two LED modules (100) on the two movable blocks (3), wherein the second gap adjustment mechanism installed on the horizontal frame (21) is a Y-axis gap adjustment mechanism installed on the vertical The second gap adjustment mechanism on the straight frame (22) is an X-axis gap adjustment mechanism, and the Y-axis gap adjustment mechanism is arranged on the horizontal frame (21) so that it can move along the X-axis direction as a whole. The gap adjustment mechanism is arranged on the vertical frame (22) so as to be able to move along the Y-axis direction as a whole. 8. The variable LED display screen according to claim 7, characterized in that, the horizontal frame (21) is formed with an X-direction strip-shaped through hole (211) whose length direction extends along the X-axis direction. The vertical frame (22) is formed with a Y-direction strip-shaped through-hole (221) whose length direction extends along the Y-axis direction, and the X-axis gap adjustment mechanism is movably located in the Y-direction strip-shaped through-hole (221) , and the two ends of the X-axis gap adjustment mechanism protrude from the bar-shaped through hole (221) in the Y direction to connect with the left and right second movable blocks (3), which can drive the two second movable blocks ( 3) away from each other or close to each other along the X-axis direction, the Y-axis gap adjustment mechanism is movably located in the strip-shaped through hole (211) in the X-axis direction, and the two ends of the Y-axis gap adjustment mechanism protrude from the The outside of the strip-shaped through hole (211) in the X direction is connected with the upper and lower second movable blocks (3), and can drive the two second movable blocks (3) to move away from or approach each other along the Y-axis direction. 9. The variable LED display according to claim 8, wherein the second gap adjusting mechanism is an adjusting screw with threads formed at both ends, and the X-axis gap adjusting mechanism is an X-axis adjusting screw ( 4), the Y-axis gap adjustment mechanism is a Y-axis adjustment screw (5), and the side of the second movable block (3) facing the X-axis adjustment screw (4) is formed with a gap suitable for adjusting the X-axis. The X-axis threaded hole (35) of the threaded connection of the screw (4) is formed with a Y-axis threaded hole (36) suitable for threaded connection with the Y-axis adjustment screw (5) towards the side of the Y-axis adjustment screw (5). ). 10. The variable LED display screen according to claim 9, characterized in that, the X-axis adjustment screw (4) includes an X-axis adjustment part (41) and is fixedly connected to the X-axis adjustment part (41) The two X-axis threaded parts (42) on both sides, the thread directions of the two X-axis threaded parts (42) are opposite, and the two X-axis threaded parts (42) are respectively connected to the X-axis adjusting screw ( 4) The X-axis threaded holes (35) on both sides are threaded, and the thread direction of the X-axis threaded holes (35) matches the corresponding X-axis threaded part (42); the Y-axis adjustment The screw (5) includes a Y-axis adjusting part (51) and two Y-axis threaded parts (52) fixedly connected to both sides of the Y-axis adjusting part (51), and two Y-axis threaded parts (52) The thread direction is opposite, and the two Y-axis threaded parts (52) are threadedly connected with the Y-axis threaded holes (36) on both sides of the Y-axis adjusting screw (5), and the Y-axis threaded holes (36 ) thread direction is matched with the corresponding Y-axis threaded portion (52). 11. The variable LED display screen according to any one of claims 1-4, characterized in that, the LED module (100) is a bendable LED module. 12. The variable LED display screen according to claim 11, characterized in that, the flexible LED module includes an elastic component layer (19) on which several light-emitting components are installed; and acts on the back of the elastic component layer An adjustment part (20) is provided, and the adjustment part (20) tightens or tightens both sides of the elastic component layer (19), so that the elastic component layer (19) undergoes inner arc or outer arc bending.